${\mathit {\mathit b}}$ ${\mathit {\overline{\mathit b}}}$ MESONS
(including possibly non-${\mathit {\mathit q}}$ ${\mathit {\overline{\mathit q}}}$ states)
INSPIRE   JSON PDGID:
M052

${{\mathit \Upsilon}{(2S)}}$

$I^G(J^{PC})$ = $0^-(1^{- -})$ 
${{\mathit \Upsilon}{(2S)}}$ MASS   $10023.4 \pm0.5$ MeV 
 
${\mathit m}_{{{\mathit \Upsilon}{(3S)}}}–{\mathit m}_{{{\mathit \Upsilon}{(2S)}}}$   $331.50 \pm0.13$ MeV 
 
${{\mathit \Upsilon}{(2S)}}$ WIDTH   $31.98 \pm2.63$ keV 
 
${{\mathit \Upsilon}{(2S)}}$ Cross-Particle Branching Ratios
B( ${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$) ${\times }$ B( ${{\mathit \Upsilon}{(3S)}}$ $\rightarrow$ ${{\mathit \Upsilon}{(2S)}}{{\mathit X}}$)   $0.0178 \pm0.0011$  
 
$\Gamma_{1}$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$   $(17.85\pm{0.26})\%$ 475
 
$\Gamma_{2}$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$   $(8.6\pm{0.4})\%$ 480
 
$\Gamma_{3}$ ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$   $(2.00\pm{0.21})\%$ 4686
 
$\Gamma_{4}$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$   $(1.93\pm{0.17})\%$ S=2.2  5011
 
$\Gamma_{5}$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$   $(1.91\pm{0.16})\%$ 5012
 
$\Gamma_{6}$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \pi}^{0}}$   $<4\times 10^{-5}$ CL=90% 531
 
$\Gamma_{7}$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \eta}}$   $(2.9\pm{0.4})\times 10^{-4}$ S=2.0  126
 
$\Gamma_{8}$ ${{\mathit J / \psi}{(1S)}}$ anything   $<6\times 10^{-3}$ CL=90% 4533
 
$\Gamma_{9}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \eta}_{{{c}}}}$   $<5.4\times 10^{-6}$ CL=90% 3984
 
$\Gamma_{10}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \chi}_{{{c0}}}}$   $<3.4\times 10^{-6}$ CL=90% 3808
 
$\Gamma_{11}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \chi}_{{{c1}}}}$   $<1.2\times 10^{-6}$ CL=90% 3765
 
$\Gamma_{12}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \chi}_{{{c2}}}}$   $<2.0\times 10^{-6}$ CL=90% 3745
 
$\Gamma_{13}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \eta}_{{{c}}}{(2S)}}$   $<2.5\times 10^{-6}$ CL=90% 3707
 
$\Gamma_{14}$ ${{\mathit J / \psi}{(1S)}}{{\mathit X}{(3940)}}$   $<2.0\times 10^{-6}$ CL=90% 3555
 
$\Gamma_{15}$ ${{\mathit J / \psi}{(1S)}}{{\mathit X}{(4160)}}$   $<2.0\times 10^{-6}$ CL=90% 3442
 
$\Gamma_{16}$ ${{\mathit \chi}_{{{c1}}}}$ anything   $(2.2\pm{0.5})\times 10^{-4}$  
 
$\Gamma_{17}$ ${{\mathit \chi}_{{{c1}}}{(1P)}^{0}}{{\mathit X}_{{{tetra}}}}$   $<3.67\times 10^{-5}$ CL=90%  
 
$\Gamma_{18}$ ${{\mathit \chi}_{{{c2}}}}$ anything   $(2.3\pm{0.8})\times 10^{-4}$  
 
$\Gamma_{19}$ ${{\mathit \psi}{(2S)}}{{\mathit \eta}_{{{c}}}}$   $<5.1\times 10^{-6}$ CL=90% 3732
 
$\Gamma_{20}$ ${{\mathit \psi}{(2S)}}{{\mathit \chi}_{{{c0}}}}$   $<4.7\times 10^{-6}$ CL=90% 3536
 
$\Gamma_{21}$ ${{\mathit \psi}{(2S)}}{{\mathit \chi}_{{{c1}}}}$   $<2.5\times 10^{-6}$ CL=90% 3488
 
$\Gamma_{22}$ ${{\mathit \psi}{(2S)}}{{\mathit \chi}_{{{c2}}}}$   $<1.9\times 10^{-6}$ CL=90% 3464
 
$\Gamma_{23}$ ${{\mathit \psi}{(2S)}}{{\mathit \eta}_{{{c}}}{(2S)}}$   $<3.3\times 10^{-6}$ CL=90% 3422
 
$\Gamma_{24}$ ${{\mathit \psi}{(2S)}}{{\mathit X}{(3940)}}$   $<3.9\times 10^{-6}$ CL=90% 3250
 
$\Gamma_{25}$ ${{\mathit \psi}{(2S)}}{{\mathit X}{(4160)}}$   $<3.9\times 10^{-6}$ CL=90% 3120
 
$\Gamma_{26}$ ${{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(3900)}^{+}}{{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(3900)}^{-}}$   $<1.0\times 10^{-6}$ CL=90%  
 
$\Gamma_{27}$ ${{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(4200)}^{+}}{{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(4200)}^{-}}$   $<1.67\times 10^{-5}$ CL=90%  
 
$\Gamma_{28}$ ${{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(3900)}^{\pm}}{{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(4200)}^{\mp}}$   $<7.3\times 10^{-6}$ CL=90%  
 
$\Gamma_{29}$ ${{\mathit T}_{{{c {{\overline{\mathit c}}}}}}{(4050)}^{+}}{{\mathit T}_{{{c {{\overline{\mathit c}}}}}}{(4050)}^{-}}$   $<1.35\times 10^{-5}$ CL=90%  
 
$\Gamma_{30}$ ${{\mathit T}_{{{c {{\overline{\mathit c}}}}}}{(4250)}^{+}}{{\mathit T}_{{{c {{\overline{\mathit c}}}}}}{(4250)}^{-}}$   $<2.67\times 10^{-5}$ CL=90%  
 
$\Gamma_{31}$ ${{\mathit T}_{{{c {{\overline{\mathit c}}}}}}{(4050)}^{\pm}}{{\mathit T}_{{{c {{\overline{\mathit c}}}}}}{(4250)}^{\mp}}$   $<2.72\times 10^{-5}$ CL=90%  
 
$\Gamma_{32}$ ${{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(4430)}^{+}}{{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(4430)}^{-}}$   $<2.03\times 10^{-5}$ CL=90%  
 
$\Gamma_{33}$ ${{\mathit T}_{{{c {{\overline{\mathit c}}}}}}{(4055)}^{\pm}}{{\mathit T}_{{{c {{\overline{\mathit c}}}}}}{(4055)}^{\mp}}$   $<1.11\times 10^{-5}$ CL=90%  
 
$\Gamma_{34}$ ${{\mathit T}_{{{c {{\overline{\mathit c}}}}}}{(4055)}^{\pm}}{{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(4430)}^{\mp}}$   $<2.11\times 10^{-5}$ CL=90%  
 
$\Gamma_{35}$ $\overline{^2H}$ anything   $(2.78^{+0.30}_{-0.26})\times 10^{-5}$ S=1.2   
 
$\Gamma_{36}$ hadrons   $(94\pm{11})\%$  
 
$\Gamma_{37}$ ${{\mathit g}}{{\mathit g}}{{\mathit g}}$   $(58.8\pm{1.2})\%$  
 
$\Gamma_{38}$ ${{\mathit \gamma}}{{\mathit g}}{{\mathit g}}$   $(1.87\pm{0.28})\%$  
 
$\Gamma_{39}$ ${{\mathit \phi}}{{\mathit K}^{+}}{{\mathit K}^{-}}$   $(1.6\pm{0.4})\times 10^{-6}$ 4910
 
$\Gamma_{40}$ ${{\mathit \omega}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$   $<2.58\times 10^{-6}$ CL=90% 4977
 
$\Gamma_{41}$ ${{\mathit K}^{*}{(892)}^{0}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}$ + c.c.   $(2.3\pm{0.7})\times 10^{-6}$ 4952
 
$\Gamma_{42}$ ${{\mathit \phi}}{{\mathit f}_{{{2}}}^{\,'}{(1525)}}$   $<1.33\times 10^{-6}$ CL=90% 4843
 
$\Gamma_{43}$ ${{\mathit \omega}}{{\mathit f}_{{{2}}}{(1270)}}$   $<5.7\times 10^{-7}$ CL=90% 4899
 
$\Gamma_{44}$ ${{\mathit \rho}{(770)}}{{\mathit a}_{{{2}}}{(1320)}}$   $<8.8\times 10^{-7}$ CL=90% 4894
 
$\Gamma_{45}$ ${{\mathit K}^{*}{(892)}^{0}}{{\overline{\mathit K}}_{{{2}}}^{*}{(1430)}^{0}}$ + c.c.   $(1.5\pm{0.6})\times 10^{-6}$ 4869
 
$\Gamma_{46}$ ${{\mathit K}_{{{1}}}{(1270)}^{\pm}}{{\mathit K}^{\mp}}$   $<3.22\times 10^{-6}$ CL=90% 4921
 
$\Gamma_{47}$ ${{\mathit K}_{{{1}}}{(1400)}^{\pm}}{{\mathit K}^{\mp}}$   $<8.3\times 10^{-7}$ CL=90% 4901
 
$\Gamma_{48}$ ${{\mathit b}_{{{1}}}{(1235)}^{\pm}}{{\mathit \pi}^{\mp}}$   $<4.0\times 10^{-7}$ CL=90% 4935
 
$\Gamma_{49}$ ${{\mathit \rho}}{{\mathit \pi}}$   $<1.16\times 10^{-6}$ CL=90% 4981
 
$\Gamma_{50}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$   $<8.0\times 10^{-7}$ CL=90% 5007
 
$\Gamma_{51}$ ${{\mathit \omega}}{{\mathit \pi}^{0}}$   $<1.63\times 10^{-6}$ CL=90% 4980
 
$\Gamma_{52}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$   $(1.30\pm{0.28})\times 10^{-5}$ 5002
 
$\Gamma_{53}$ ${{\mathit K}_S^0}$ ${{\mathit K}^{+}}{{\mathit \pi}^{-}}$ + c.c.   $(1.14\pm{0.33})\times 10^{-6}$ 4979
 
$\Gamma_{54}$ ${{\mathit K}^{*}{(892)}^{0}}{{\overline{\mathit K}}^{0}}$ + c.c.   $<4.22\times 10^{-6}$ CL=90% 4959
 
$\Gamma_{55}$ ${{\mathit K}^{*}{(892)}^{-}}{{\mathit K}^{+}}$ + c.c.   $<1.45\times 10^{-6}$ CL=90% 4960
 
$\Gamma_{56}$ ${{\mathit f}_{{{1}}}{(1285)}}$ anything   $(2.2\pm{1.6})\times 10^{-3}$  
 
$\Gamma_{57}$ ${{\mathit f}_{{{1}}}{(1285)}}{{\mathit X}_{{{tetra}}}}$   $<6.47\times 10^{-5}$ CL=90%  
 
$\Gamma_{58}$ ${{\mathit D}_{{{s}}}^{+}}{{\mathit D}_{{{s1}}}{(2536)}^{-}}$   4470
 
$\Gamma_{59}$ ${{\mathit D}_{{{s}}}^{+}}{{\mathit D}_{{{s1}}}{(2536)}^{-}}$ , ${{\mathit D}_{{{s1}}}^{-}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit D}^{*}{(2007)}^{0}}$   $(1.6\pm{0.4})\times 10^{-5}$  
 
$\Gamma_{60}$ ${{\mathit D}_{{{s}}}^{+}}{{\mathit D}_{{{s1}}}{(2536)}^{-}}$ , ${{\mathit D}_{{{s1}}}^{-}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit D}^{*}{(2010)}^{-}}$   $(8.4\pm{2.3})\times 10^{-6}$  
 
$\Gamma_{61}$ ${{\mathit D}_{{{s}}}^{*+}}{{\mathit D}_{{{s1}}}{(2536)}^{-}}$   4437
 
$\Gamma_{62}$ ${{\mathit D}_{{{s}}}^{*+}}{{\mathit D}_{{{s1}}}{(2536)}^{-}}$ , ${{\mathit D}_{{{s1}}}^{-}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit D}^{*}{(2007)}^{0}}$   $(1.4\pm{0.4})\times 10^{-5}$  
 
$\Gamma_{63}$ ${{\mathit D}_{{{s}}}^{*+}}{{\mathit D}_{{{s1}}}{(2536)}^{-}}$ , ${{\mathit D}_{{{s1}}}^{-}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit D}^{*}{(2010)}^{-}}$   $(8.2\pm{3.1})\times 10^{-6}$  
 
$\Gamma_{64}$ ${{\mathit D}_{{{s}}}^{+}}{{\mathit D}_{{{s2}}}^{*}{(2573)}^{-}}$    
 
$\Gamma_{65}$ ${{\mathit D}_{{{s}}}^{+}}{{\mathit D}_{{{s2}}}^{*}{(2573)}^{-}}$ , ${{\mathit D}_{{{s2}}}^{*-}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit D}^{0}}$   $(1.4\pm{0.4})\times 10^{-5}$  
 
$\Gamma_{66}$ ${{\mathit D}_{{{s}}}^{+}}{{\mathit D}_{{{s2}}}^{*}{(2573)}^{-}}$ , ${{\mathit D}_{{{s2}}}^{*-}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit D}^{-}}$   $(6.9\pm{3.0})\times 10^{-6}$  
 
$\Gamma_{67}$ ${{\mathit D}_{{{s}}}^{*+}}{{\mathit D}_{{{s2}}}^{*}{(2573)}^{-}}$    
 
$\Gamma_{68}$ ${{\mathit D}_{{{s}}}^{*+}}{{\mathit D}_{{{s2}}}^{*}{(2573)}^{-}}$ , ${{\mathit D}_{{{s2}}}^{*-}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit D}^{0}}$   $(9\pm{5})\times 10^{-6}$  
 
$\Gamma_{69}$ ${{\mathit D}_{{{s}}}^{*+}}{{\mathit D}_{{{s2}}}^{*}{(2573)}^{-}}$ , ${{\mathit D}_{{{s2}}}^{*-}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit D}^{-}}$   $(5\pm{6})\times 10^{-6}$  
 
$\Gamma_{70}$ Sum of 100 exclusive modes   $(2.90\pm{0.30})\times 10^{-3}$  
 
FOOTNOTES
Constrained Fit information